Taken in winter at Mammoth Hot Springs in Yellowstone, this is a photo of the slow mineralization of a pine branch in a hot spring. The last remaining twigs have yet to be submerged, and have collected droplets of water from the steam of the hot spring

This is the same lake as 'Alpine Lake', I believe the boulders were part of a glacial moraine that had piled them up over the years. The lake the almost certainly glacial and probably very deep. I like the shadows on the mountain. Even though it was August, there was snow everywhere